dokku/plugins/ssh-keys/functions

#!/usr/bin/env bash
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"

verify_ssh_key_file() {
  declare desc="Test that public key is valid"
  [[ -s ${DOKKU_ROOT}/.ssh/authorized_keys ]] || dokku_log_fail "No public keys found."
  local key line=0
  local TMP_KEY_FILE
  TMP_KEY_FILE=$(mktemp "/tmp/dokku-${DOKKU_PID}-${FUNCNAME[0]}.XXXXXX")
  trap "rm -rf '$TMP_KEY_FILE' >/dev/null" RETURN INT TERM EXIT

  while read -r key; do
    line=$((line + 1))
    [[ -z "$key" ]] && continue
    echo "$key" >"$TMP_KEY_FILE"
    ssh-keygen -lf "$TMP_KEY_FILE" &>/dev/null || dokku_log_fail "${DOKKU_ROOT}/.ssh/authorized_keys line $line failed ssh-keygen check."
  done <"${DOKKU_ROOT}/.ssh/authorized_keys"
}

verify_ssh_key_exists() {
  declare desc="Test that public key exists"
  [[ -e ${DOKKU_ROOT}/.ssh/authorized_keys ]] || dokku_log_fail "No public keys found."
}

create_ssh_key_file() {
  declare desc="Ensure the public key file exists"
  touch "${DOKKU_ROOT}/.ssh/authorized_keys"
}